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B. You guess. C. I don’t guess! D. No problem. ff808081610d0d A. B. C. D. （已提交） 答题： A参考答案：A 问题解析： 当前页有10题，你已做10题，已提交10题，其中答对10题。 1.(单选题) According to scientists, our mental abilities begin to _______ from the age of 27 after reaching the highest level at 22． A．decline B．differ C．fail D．shrink ff808081610d0d A. B. C. D. （已提交） 答题： A 2.(单选题) ---- What smells terrible ? ----Sorry, I’ll ______ my shoes and wash them at once. A．put away B．move away C．take away D．get away ff808081610d0d A. B. C. D. （已提交） 答题： C 3.(单选题) Both of the two boys are enjoying their lives ______ the fact that they have very little time to do other things． A．beside B．despite C．beyond D．except ff808081610d0d 答题： BA. B. C. D. （已提交） 4.(单选题) We believe scientists will a way to solve the problem of air pollution. A．set off B．put off C．come up with D．catch up with ff808081610d0d A. B. C. D. （已提交） 答题： C 5.(单选题) The Trojan War ______ by Helen and her beauty. A．causes B．is caused C．caused D．was caused ff808081610d0d A. B. C. D. （已提交） 答题： D 6.(单选题) I think _______ music may clear your mind and reduce pressure. A．listen to B．listening to C．listened to D．listens to ff808081610d0d A. B. C. D. （已提交） 答题： B 7.(单选题) -----Jenny, you should prepare as much as you can______ the coming guitar competition successfully! -----Sure, I will try my best, Mr. Brown! A．to fail B．to cover C．cover D．fail ff808081610d0d 答题： BA. B. C. D. （已提交） 8.(单选题) He has attended the Olympics Games three times, so he has the _________ of rich experience. A．advantage B．use C．benefit D．interest ff808081610d0d A. B. C. D. （已提交） 答题： A 9.(单选题) Our new machines are much cheaper to run. A．effective B．efficient C．energetic D．enthusiastic ff808081610d0d A. B. C. D. （已提交） 答题： B 10.(单选题) Before he started work , I asked the builder to give me a (n) _____ of the cost of the museum. A．estimate B．value C．announcement D．evaluation ff808081610d0d A. B. C. D. （已提交） 答题： A当前页有5题，你已做5题，已提交5题，其中答对5题。 11.(单选题) If you _____a crime you can never escape being punished. A．commit B．discharge C．take D．do ff808081610d0d 答题： AA. B. C. D. （已提交） 12.(单选题) John couldn’t take part in the activity held at the cultural center yesterday for _____ reasons. A．series of B．all kinds C．the number of D．a variety of ff808081610d0d A. B. C. D. （已提交） 答题： D 13.(单选题) It took me quite a while to ______ how to solve this problem. A．figure out B．stand out C．put out D．run out ff808081610d0d A. B. C. D. （已提交） 答题： A 14.(单选题) Don’t allow the Internet to control your life it is widely used in many ways. A．as if B．even if C．so long as D．in case ff808081610d0d A. B. C. D. （已提交） 答题： B 15.(单选题) ---Mum, I’ve got the first prize in the photo competition. ---____________ A．Good luck! B．Not at all. C．Good idea! D．Congratulation! ff808081610d0d 答题： DA. B. C. D. （已提交） 当前页有10题，你已做10题，已提交10题，其中答对10题。 1.(单选题) Wang Peng sat in his empty restaurant, ____________. A．feeling frustrated B．feel frustrated C．feel frustrating D．felt frustrated ff808081610d0d A. B. C. D. （已提交） 答题： A 2.(单选题) ----Many students don’t know how to stress and become worried. ----I think they’d better ask their teachers for help. A．agree with B．deal with C．come up with D．quarrel with ff808081610d0d A. B. C. D. （已提交） 答题： B 3.(单选题) There a concert sometime next week. A．is going to be B．are going to be C．is going to have D．is going to has ff808081610d0d A. B. C. D. （已提交） 答题： A 4.(单选题) ---The box is too heavy to carry. What’s in it? ---Oh, I _________ it ________books. A．am filled, with B．am full, of C．filled, with D．filled of